configure.ac: add --enable-vanilla-opt configure option #1207
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Usually autotools-based projects allow uses specify CFLAGS/CXXFLAGS as an environment variable at ./configure time. Many distributions exploit it to inject distribution-specific compile-time options like: - enable additional debugging (-ggdb3) - enable sanitisers (-fsanitize=address|thread|undefined) - enable Position Independent Executables (-fPIE) But nix by default uses it's own set of options mostly to: - enable -O3 by default - have unoptimised build with 'make OPTIMIZE=0' This commit leaves nix default but allows falling back to autotools-style builds by using --enable-vanilla-opt: $ ./configure --enable-vanilla-opt ... $ make Signed-off-by: Sergei Trofimovich <siarheit@google.com>
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ping :) |
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Obsoleted by 717e821 |
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Usually autotools-based projects allow uses specify
CFLAGS/CXXFLAGS as an environment variable at ./configure time.
Many distributions exploit it to inject distribution-specific
compile-time options like:
But nix by default uses it's own set of options mostly to:
This commit leaves nix default but allows falling back
to autotools-style builds by using --enable-vanilla-opt:
$ ./configure --enable-vanilla-opt ...
$ make
Signed-off-by: Sergei Trofimovich siarheit@google.com